Important Watches

Geneva, Mar 20, 2010

LOT 206

Tudor Ref. 7031 Tudor, ?OysterDate Chronograph,? Ref. 7031/0, case No. 756676, made by Rolex, Geneva in 1971. Fine and rare, water-resistant, stainless steel wristwatch with date, round-button chronograph, register, tachometer and a stainless steel Rolex Oyster bracelet.

C. Three-body, polished and brushed, screwed-down engraved case back, crown and buttons, tachometer graduation on the black bezel to 500 units per hour, Twinlock winding crown protected by the crown guard, crystal with cyclops lens. D. Bicolor anthracite and black with painted luminous indexes, outer 1/5th seconds scale with 5 minute/second red Arabic markers, subsidiary dials for the seconds and the 45-minute register, aperture for the date at 6. Luminous steel dauphine hands. M. Cal. Valjoux 7734, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm. Approx. overall length: 175 mm.